Solar System Exploration
September 17, 2004
This video shows the James Webb Space Telescope's mirrors during their long string of tests, from individual segments to the final tests of the assembled mirror.
Webb Mirror Beauty
Filters, pixels and math star in this narrated cartoon.
How Does a Spacecraft Take a Picture?
Our planet is a beautiful water-filled world, teeming with life. But did you know that Earth is not the only world in our solar system with an ocean? Here’s what you need to know about Ocean Worlds.
What You Need to Know About Ocean Worlds
Arrival at Saturn
Arrival at Saturn
As millions of people observed the total lunar eclipse on October 8, 2014, MESSENGER was also watching from Mercury.
Lunar Eclipse From Mercury
Video from NASA’s Mars 2020 Perseverance rover chronicles major milestones during the final minutes of its entry, descent, and landing (EDL) on the Red Planet on Feb. 18, 2021, as the spacecraft pl...
Watch NASA's Perseverance Rover Land
The six Apollo landing sites are revealed chronologically as the phase and libration of the Moon is shown throughout the Apollo era.
Video: Apollo Landing Sites
This is the first footage of one orbiting robotic spacecraft taken by another orbiting robotic spacecraft at Earth's moon.
Spacecraft Pass Each Other at the Moon
Spacecraft at JPL
Spacecraft at JPL
With kaleidoscopic forms and hues, these two false-color views from NASA's Cassini spacecraft show the patterns that come and go in the course of one Saturn day within the huge storm in the planet'...
What astronomy highlights can you see in the sky in May 2020? Venus, Sirius and the Milky Way.
What's Up Video: May 2020 Skywatching Tips from NASA
This movie presents a series of animations showing NASA's Dawn spacecraft traveling to and operating at the giant asteroid Vesta.
Animation of Dawn's Visit to Vesta
A mission concept to explore Saturn's moons Titan and Enceladus.
Titan Saturn System Mission
NASA's Voyager 2 spacecraft gave humanity its first glimpse of Neptune and its moon Triton in the summer of 1989.
NASA’s Cassini mission will come to a spectacular close on September 15, 2017 after almost two decades in space since its launch in 1997.
Science@NASA: Cassini's Finale
What are some skywatching highlights in June 2021? Catch Saturn and Jupiter in the morning, and the constellation Scorpius after dark! Plus skywatchers in the Northeast U.S., Eastern Canada, and No...
What's Up: June 2021 [Video]
This video shows the scientists' best guess to date of what the surface of the protoplanet Vesta might look like.
Episode 1: Launch. Meet Lucy as she prepares for the first-ever journey to the Trojan asteroids, a population of primitive small bodies orbiting in tandem with Jupiter.
Lucy's Journey: Episode 1
Cassini stares deep into the swirling hurricane-like vortex at Saturn's south pole, where the vertical structure of the clouds is highlighted by shadows.
Looking Saturn in the Eye
This video uses data gathered from the Lunar Reconnaissance Orbiter spacecraft to recreate some of the stunning views of the Moon that the Apollo 13 astronauts saw on their perilous journey around ...
Apollo 13 Views of the Moon in 4K
This movie shows clouds in the mid-southern latitudes of Saturn's largest moon, Titan, in a series of images captured by NASA's Cassini spacecraft a few months after fall began in the southern hemi...
Titan's Moving Mid-Latitude Clouds
The four changes of the seasons, related to the position of sunlight on the planet, are captured in this view from geosynchronous Earth orbit by EUMETSAT's Meteosat-9 satellite.
Seeing Equinoxes and Solstices from Space
This movie uses data from NASA's Dawn spacecraft to simulate the view from the spacecraft flying over the surface of the giant asteroid Vesta.
Dawn's Virtual Flight over Vesta
What might a wet Mars have looked like? This artist's concept attempts to fill in the blanks.
Mars: Wet to Dry Animation
Cassini mission planners created this animation to showcase Cassini's final 22 orbits - the mission's Grand Finale.
Grand Finale Orbits Petal Plot
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The telescopes found something odd: six "dead" galaxies that had run out of the cold hydrogen gas needed to make stars.
Hubble Finds Early, Massive Galaxies Running on Empty
This year, the minimum extent of Arctic sea ice dropped to 1.82 million square miles (4.72 million square kilometers).
NASA Finds 2021 Arctic Summer Sea Ice 12th-Lowest on Record
The lander cleared enough dust from one solar panel to keep its seismometer on through the summer, allowing scientists to study three big quakes.
NASA's InSight Finds Three Big Marsquakes, Thanks to Solar-Panel Dusting
NASA's Lucy is set to launch in October on the first mission to study the Trojan asteroids – swarms of asteroids associated with Jupiter.
Lucy Is Going to Space!
Researchers will use Webb to observe 17 actively forming planetary systems.
NASA's Webb to Explore Forming Planetary Systems
When NASA’s Nancy Grace Roman Space Telescope launches in the mid-2020s, it will revolutionize astronomy.
A New Understanding of Galaxy Evolution with NASA's Roman Space Telescope